EarthQuake

pointers

• http://earthquake.usgs.gov/recenteqs/ - recent us quakes
• http://quake.wr.usgs.gov/recenteqs/ - recent california quakes
• http://quakesim.jpl.nasa.gov/ - nasa's quakesim project. predicted 15 of last 16 earthquakes in california over 5.0.

big ones

On average, there are 18 major earthquakes (magnitude 7.0 to 7.9) and one great earthquake (8.0 or higher) each year worldwide.

9.0 earthquake - 2004-12-27 13:50

A huge 9.0 earthquake this weekend caused a tsunami that slammed into coasts from India to Indonesia. It was the biggest earthquake in 40 years.